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It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report.
False. It is not essential.
what is er digram given that example of hospital,bank and library er digram.
SET concept is used in which type of modelling? SET concept is used in Network Model.
Illustrate how you can use QBE to perform logical AND and OR operation
Differentiate between a subquery and a join If we need to acquire information from one or more tables after that either subquery or join can be used. If the columns which are t
A relation has: Relational Schema Relation instance Relational Schema: A relational schema shows the relation's name, its attributes and the domain of every a
Question : (a) Differentiate between database integrity and database security (b) Database security involves measures to avoid loss of privacy and loss of confidentiality. D
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Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
How are tables stored on Disk? We realise that every record of a table can have different amounts of data. This is due to in some records; some attribute values may be "zero".
What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
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